From 94d3e79a8617f88dc0219cfdeedfa3147833719d Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Mon, 24 Jun 2019 14:43:36 +0200
Subject: Initialize at openlb-1-3

---
 src/dynamics/guoZhaoLatticeDescriptors.h | 67 ++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 src/dynamics/guoZhaoLatticeDescriptors.h

(limited to 'src/dynamics/guoZhaoLatticeDescriptors.h')

diff --git a/src/dynamics/guoZhaoLatticeDescriptors.h b/src/dynamics/guoZhaoLatticeDescriptors.h
new file mode 100644
index 0000000..89bfea0
--- /dev/null
+++ b/src/dynamics/guoZhaoLatticeDescriptors.h
@@ -0,0 +1,67 @@
+/*  This file is part of the OpenLB library
+ *
+ *  Copyright (C) 2016-2017 Davide Dapelo, Mathias J. Krause
+ *  OpenLB e-mail contact: info@openlb.net
+ *  The most recent release of OpenLB can be downloaded at
+ *  <http://www.openlb.net/>
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version 2
+ *  of the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public
+ *  License along with this program; if not, write to the Free
+ *  Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA  02110-1301, USA.
+*/
+
+/** \file
+ * Groups all the 2D include files in the dynamics directory.
+*/
+
+/** \file
+ * DESCRIPTORBASE for all types of 2D and 3D lattices for the Guo-Zhao
+ * porous model. In principle, thanks
+ * to the fact that the OpenLB code is generic, it is sufficient to
+ * write a new descriptor when a new type of lattice is to be used.
+ *  -- header file
+ */
+
+#ifndef GUOZHAO_LATTICE_DESCRIPTORS_H
+#define GUOZHAO_LATTICE_DESCRIPTORS_H
+
+#include <vector>
+#include "core/olbDebug.h"
+#include "dynamics/latticeDescriptors.h"
+
+namespace olb {
+
+/// Descriptors for the 2D and 3D lattices.
+/** \warning Attention: The lattice directions must always be ordered in
+ * such a way that c[i] = -c[i+(q-1)/2] for i=1..(q-1)/2, and c[0] = 0 must
+ * be the rest velocity. Furthermore, the velocities c[i] for i=1..(q-1)/2
+ * must verify
+ *  - in 2D: (c[i][0]<0) || (c[i][0]==0 && c[i][1]<0)
+ *  - in 3D: (c[i][0]<0) || (c[i][0]==0 && c[i][1]<0)
+ *                       || (c[i][0]==0 && c[i][1]==0 && c[i][2]<0)
+ * Otherwise some of the code will work erroneously, because the
+ * aformentioned relations are taken as given to enable a few
+ * optimizations.
+*/
+namespace descriptors {
+
+using GuoZhaoD2Q9Descriptor = D2Q9<FORCE,EPSILON,K,NU,BODY_FORCE>;
+
+using GuoZhaoD3Q19Descriptor = D3Q19<FORCE,EPSILON,K,NU,BODY_FORCE>;
+
+}  // namespace descriptors
+
+}  // namespace olb
+
+#endif
-- 
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